The Polkadot currency was created by some of the breakaway leaders at Ethereum to form a new cryptocurrency with a better network. So, rather than having a single lane for carrying out and completing transactions, Polkadot has several lanes.
Bitcoin, Ether Crypto Coins Surge to New Highs Before Correction, Shiba Inu, Dogecoin Slip Continues

“Every single day, the concept that it could be worth something, it could be a store of value is being continually approved by more large, powerful entities,” Johnson says, pointing to established financial institutions holding digital currencies and large corporations adding them to their corporate balance sheets. “The idea that it’s actually worth something is continuing to grow as adoption and acceptance continues to grow as well.”
For many people, crypto is a type of alternative investment. Just as you can buy and trade stock in public companies, you can buy cryptocurrency with the hope that it will increase in value over time, allowing you to cash out for a profit at a later date. Some people invest in crypto less for the belief that it will become a popular currency and more as a bet on the blockchain technology behind it.